david blaine wants to impress me, get a fork, jam it into an electrical socket, i'd watch that. there's no illusion involved in staying outside three days. i wish there were lightning, i'd like to see that happen. >> i used to see david blaine at my old gym, i thought maybe he'd take the weights and do it with no hands or something. that never happened. all right. i want you to stay with us. you and i were talking during the last break, you said some things that i want to talk about more. you heard our conversation about obesity in america. we're going to talk about it. >> okay, sure. >>> guess what? you can take cnn with you. you can watch it at work. go to cnn.com/tv, watch live on your computer or smartphone. >>> okay, so tonight, two matt's brakes didn't sound right... ...so i brought my car to mike at meineke... ...and we inspected his brakes for free. -free is good. -free is very good. [ male announcer ] now get 50% off brake pads and shoes at meineke. >>> okay, so tonight, two political powerhouses clash in one epic debate. two men who are either the brightest minds in th